Grade 9 vs PSA 10 Moss Monster: price difference
Moss Monster value — Grade 9 $17 vs PSA 10 $138. PSA 10 sells for 8.12× Grade 9 (+712%). Prices updated July 2026.
↘ Falling · -64%
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Grade 9 vs PSA 10
$17→$138
PSA 10 sells for 8.12× (+712%) the Grade 9 price — a $121 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Moss Monster, the jump from Grade 9 to PSA 10 is worth $121 (8.12×) — if your copy grades at the top, that premium can cover the fee. A grade below the top one changes the math, so run your exact numbers first.
Run the grading break-even math →Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).